Pack or skip
Packable down jacket for San Antonio in July
Verdict
Skip it
Lows around 77°F — you'll never reach for it.
Why
San Antonio in July averages highs of 97°F, lows of 77°F, 6 rainy days.
That climate means a packable down jacket isn't pulling its weight. Lows around 77°F — you'll never reach for it.